CHINA TB BRAKING SYSTEM

System Introduction

China TB Braking System is a 2 presssures direct-acting braking system developed according to the China railway technology policy and standard .It is suitable for the traction total weight no more than 10000 tons, the running speed of no more than 120 km/h train and goods train.

Parts Introduction

Type 120 air control valve is the core part of the brake system, to control the brake, ease and other functions of the brake system .

Technical parameters

Operating temperature:-50~70℃

Standard pressure:500kpa,adapt 600kpa

Max.permitted service pressure:380±10kPa or 420±10kPa

speed of emergency brake:280m/s

Release propagation rate:160m/s

Material Science

Cast iron or aluminum-alloy

Name

Type 120 Air Control Valve

Function

Type 120 air control valve is the core part of the brake system, to control the brake, ease and other functions of the brake system .

Technical parameters

Operating temperature:-50~70℃

Standard pressure:500kpa,adapt 600kpa

Max.permitted service pressure:380±10kPa or 420±10kPa

speed of emergency brake:280m/s

Release propagation rate:160m/s

Material Science

Cast iron or aluminum-alloy

Type 120 Air Control Valve

Name

Type 150 Air Control Valve 150

Function

The functions of type 150 air control valve are consistent with 120,but plunger valve replace the slide valve ,structure is more reliable, maintenance is more convenient.

Technical parameters

Operating temperature:-50~70℃

Standard pressure:500kpa,adapt 600kpa

Max.permitted service pressure:380±10kPa or 420±10kPa

speed of emergency brake:280m/s

Release propagation rate:160m/s

Material Science

aluminum-alloy

Type 150 Air Control Valve

Name

Type KZWA Automatic Variable Load Adjusting Device

Function

To realize the automatic variable adjustment of brake cylinder pressure along with wagon load.

Technical parameters

Operating temperature:-50~70℃

To realize the automatic variable adjustment of brake cylinder pressure along with wagon load

Empty pressure:140±20kPa(adjustable)

Material Science

Cast iron

Type KZWA Automatic Variable Load Adjusting Device

Name

Type TWG Automatic Variable Load Adjusting Device

Function

To realize the automatic variable adjustment of brake cylinder pressure along with wagon load, it is way of installation different from KZW .

Technical parameters

Operating temperature:-50~70℃

To realize the automatic variable adjustment of brake cylinder pressure along with wagon load

Empty pressure:140±20kPa(adjustable)

Material Science

Cast iron or aluminum-alloy

Type TWG Automatic Variable Load Adjusting Device

Name

Type 250 Brake regulator

Function

Type ZT-250 two-way brake shoe slack adjuster is a root can automatically lengthened or shortened link, to ensure the distance of the brake shoe and the wheel tread surface remain unchanged during the train operating

Technical parameters

Operating temperature:-50~70℃

Effectively adjust stroke 250mm .

Material Science

High-quality carbon steel

Type 250 Brake regulator

Name

Spinning-Formed Sealed type Brake Cylinder

Function

Brake cylinder can produce the push power according to the change of brake cylinder pressure and the piston size ,and pass this power to the rigging by piston push rod. when the wagon releases,the brake cylinder with push-rod return device can make the block leave the wheel tread.

Technical parameters

Operating temperature:-50~70℃

Diameter of piston:8in 、10in、12in 、14in etc .

Material Science

High-quality carbon steel

Spinning- Formed Sealed type Brake Cylinder

Name

Derailment Automatic Brake Device

Function

when an accident of derailment happened on a train ,causing an emergency brake application.

Technical parameters

Operating temperature:-50~70℃

Material Science

Cast iron

Derailment Automatic Brake Device

Name

Angle cock

Function

The angle cock is used to close the air brake device in the vehicle and empty the the compressed air in hose connector,divided into type L and type R, type L is used for installing on the left side of the coupler, the type R is used for mounted on the right side of the coupler